有关核酶作用的特点错误的是（） 化学本质是RNA、DNA。 底物多为RNA。 反应特异性（专一性）是碱基识别。 催化效率高。 产物是集底物、产物于一身，亦有异体化反应的核酶。
医疗器械经营企业经营无合格证明文件、过期、失效、淘汰的医疗器械，或者使用未依法注册的医疗器械的（） 责令改正。 没收违法经营的医疗器械。 货值金额1万元以上的，并处2万元以上5万元以下罚款。 情节严重的，责令停产停业，直至吊销相关证照。
Your network contains two Active Directory sites named Site1 and Site2. Site1 contains a server named Server1. Server1 runs a custom application named App1.Users in Site2 report that they cannot access App1 on Server1. Users in Site1 can access App1.Server1 has a Windows Firewall with Advanced Security rule named Rule1.You discover that Rule1 blocks the connection to App1.You verify that Server1 has no connection security rules.You need to ensure that the Site2 users can connect to Server1.What should you modify in Rule1？（） the authorized computers list。 the authorized users list。 the edge traversal settings。 the scope。
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增长极限论
You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is an internal application which uses Analysis Services and Reporting Services. You use the application on the basis of SQL Server 2008. According to the requirement of company security policy, the surface area for all the deployed components of SQL Server 2008 should be configured. You have to implement the security policy and devise a method to evaluate the security policy against other database servers. What should you do?（）
